From nobody Mon Feb 9 01:17:41 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1584469431; cv=none; d=zohomail.com; s=zohoarc; b=kbMYT7e19U2KtG5Zr59hJ4vQYKvn/Fj0hIzduzwjsX28wT2kQX9zeWeH6vJ0zIInqt91fkYklhZ99FV07sdvfSmkDylVWcD61g3ZPgT+4TH8RgMU2Lt+dBAWRaJddJQ2negR0si/t+lR5bLmYZd7l+ZSU3eUPYvU/dmcI51kqiw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1584469431; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=WWiO0wG6yJvhykhaYHX4vvs8tz93hvSckABso3lwaFM=; b=eXMnKKQwGIHtrXyKfzdoNSxVXzTiha7rPPeUgvdLfDdiT40UN0n2JvtMX+PMjDnJK/1AMr31hil466fubIkQkKxevlMFNhrzJ8sEBwRaOUbLZkUG+fLBfZ3gD9QlmOHaOczASU0dApMw4HlVu3FSEwvnSS/8Sgi5W+Iod9fnXTI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1584469431353647.8695913268424; Tue, 17 Mar 2020 11:23:51 -0700 (PDT) Received: from localhost ([::1]:39064 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jEGsY-000407-6R for importer@patchew.org; Tue, 17 Mar 2020 14:23:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48819) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jEGmw-0003Sn-UC for qemu-devel@nongnu.org; Tue, 17 Mar 2020 14:18:04 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jEGmu-00007i-R2 for qemu-devel@nongnu.org; Tue, 17 Mar 2020 14:18:02 -0400 Received: from fanzine.igalia.com ([178.60.130.6]:58008) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1jEGmu-0005xv-6Z; Tue, 17 Mar 2020 14:18:00 -0400 Received: from [81.0.35.138] (helo=perseus.local) by fanzine.igalia.com with esmtpsa (Cipher TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim) id 1jEGmD-000152-4Z; Tue, 17 Mar 2020 19:17:17 +0100 Received: from berto by perseus.local with local (Exim 4.92) (envelope-from ) id 1jEGlw-0006OJ-A3; Tue, 17 Mar 2020 19:17:00 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From; bh=WWiO0wG6yJvhykhaYHX4vvs8tz93hvSckABso3lwaFM=; b=fJkjztVdyOZbcU47cTfqcr0tlhYB3MURjj1IUQF7ydof+WPFr+aRDOY13Y+SPzTCmyfEpN00XtYchGDkBnvyoEYfYMP8TCd966s+REmnmhQkyFkpYYnRjHw8WkNT576IZF+2z4aAxCN4/7t0JtnpWrHGLtHv61zQcLVL+cr1UCBVMikzPOOHlfZOM94fCfTHqvKJZ02xvXbw2xQSnCWTb+npEUCi1VKmFGuUp8hdiK9RotF6Smn6Qmy2GNASWgBh0UTG67dvlfviszEP5e0azf4XvBm3p2xQWr39rO8EOIk2+MRYn2EkUBPsEc9GQNx7O4CHdx1qdF2f1TnFDEckLA==; From: Alberto Garcia To: qemu-devel@nongnu.org Subject: [PATCH v4 08/30] qcow2: Add dummy has_subclusters() function Date: Tue, 17 Mar 2020 19:16:05 +0100 Message-Id: <0e88d0a02693bc48e1cf5a411ae32af973a6c3c2.1584468723.git.berto@igalia.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x (no timestamps) [generic] [fuzzy] X-Received-From: 178.60.130.6 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Anton Nefedov , Alberto Garcia , qemu-block@nongnu.org, Max Reitz , Vladimir Sementsov-Ogievskiy , "Denis V . Lunev" Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" This function will be used by the qcow2 code to check if an image has subclusters or not. At the moment this simply returns false. Once all patches needed for subcluster support are ready then QEMU will be able to create and read images with subclusters and this function will return the actual value. Signed-off-by: Alberto Garcia Reviewed-by: Eric Blake Reviewed-by: Max Reitz Reviewed-by: Vladimir Sementsov-Ogievskiy --- block/qcow2.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/block/qcow2.h b/block/qcow2.h index 7754d9bd02..55298750bd 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -495,6 +495,12 @@ typedef enum QCow2MetadataOverlap { =20 #define INV_OFFSET (-1ULL) =20 +static inline bool has_subclusters(BDRVQcow2State *s) +{ + /* FIXME: Return false until this feature is complete */ + return false; +} + static inline uint64_t get_l2_entry(BDRVQcow2State *s, uint64_t *l2_slice, int idx) { --=20 2.20.1